glutathione mechanism of action skin whitening Cosmetics: Feedback and Challenges in the Development Natural Skin Lighteners Glutathione in Skin Aging and

Nature 583 , 459468 (2020)

Probably safe to use if: sealed lyophilized vial at controlled room temperature for less than 1 week, brief reconstituted exposure under 2 hours, no visible changes, and peptide responds normally on initial test dose

Buffinton GD and Doe WF (1995)

Caloric restriction results in decreased expression of peroxisome proliferator-activated receptor superfamily in muscle of normal and long-lived growth hormone receptor/binding protein knockout mice

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Following administration of phenobarbital via drinking water to F344 rats for three weeks, increased liver weight was found to be a result of hepatocellular hypertrophy, hyperplasia, and enlargement of the hepatic blood space (Massey and Butler 1979)